package net.minecraft.block;

import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyInteger;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumWorldBlockLayer;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockReed extends Block {
	public static final PropertyInteger AGE = PropertyInteger.create("age", 0, 15);

	protected BlockReed() {
		super(Material.plants);
		this.setDefaultState(this.blockState.getBaseState().withProperty(AGE, Integer.valueOf(0)));
		float f = 0.375F;
		this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 1.0F, 0.5F + f);
		this.setTickRandomly(true);
	}

	public void updateTick(World worldIn, BlockPos pos, IBlockState state, Random rand) {
		if (worldIn.getBlockState(pos.down()).getBlock() == Blocks.reeds || this.checkForDrop(worldIn, pos, state)) {
			if (worldIn.isAirBlock(pos.up())) {
				int i;

				for (i = 1; worldIn.getBlockState(pos.down(i)).getBlock() == this; ++i) {
					;
				}

				if (i < 3) {
					int j = ((Integer) state.getValue(AGE)).intValue();

					if (j == 15) {
						worldIn.setBlockState(pos.up(), this.getDefaultState());
						worldIn.setBlockState(pos, state.withProperty(AGE, Integer.valueOf(0)), 4);
					} else {
						worldIn.setBlockState(pos, state.withProperty(AGE, Integer.valueOf(j + 1)), 4);
					}
				}
			}
		}
	}

	public boolean canPlaceBlockAt(World worldIn, BlockPos pos) {
		Block block = worldIn.getBlockState(pos.down()).getBlock();

		if (block == this) {
			return true;
		} else if (block != Blocks.grass && block != Blocks.dirt && block != Blocks.sand) {
			return false;
		} else {
			for (Object enumfacing : EnumFacing.Plane.HORIZONTAL) {
				if (worldIn.getBlockState(pos.offset((EnumFacing) enumfacing).down()).getBlock()
						.getMaterial() == Material.water) {
					return true;
				}
			}

			return false;
		}
	}

	/**
	 * Called when a neighboring block changes.
	 */
	public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock) {
		this.checkForDrop(worldIn, pos, state);
	}

	protected final boolean checkForDrop(World worldIn, BlockPos pos, IBlockState state) {
		if (this.canBlockStay(worldIn, pos)) {
			return true;
		} else {
			this.dropBlockAsItem(worldIn, pos, state, 0);
			worldIn.setBlockToAir(pos);
			return false;
		}
	}

	public boolean canBlockStay(World worldIn, BlockPos pos) {
		return this.canPlaceBlockAt(worldIn, pos);
	}

	public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) {
		return null;
	}

	/**
	 * Get the Item that this Block should drop when harvested.
	 */
	public Item getItemDropped(IBlockState state, Random rand, int fortune) {
		return Items.reeds;
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	public boolean isFullCube() {
		return false;
	}

	public Item getItem(World worldIn, BlockPos pos) {
		return Items.reeds;
	}

	public int colorMultiplier(IBlockAccess worldIn, BlockPos pos, int renderPass) {
		return worldIn.getBiomeGenForCoords(pos).getGrassColorAtPos(pos);
	}

	public EnumWorldBlockLayer getBlockLayer() {
		return EnumWorldBlockLayer.CUTOUT;
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(AGE, Integer.valueOf(meta));
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		return ((Integer) state.getValue(AGE)).intValue();
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { AGE });
	}
}
